Ai Hoshino is a fictional character from the manga and anime series titled "Oshi no Ko." She is a popular idol known for her beauty and talent, captivating fans with her performances. Ai's character explores the complexities of fame and the entertainment industry, highlighting both the glamorous and challenging aspects of being an idol. In the story, Ai becomes a mother to twins, which adds depth to her character as she navigates her career while raising her children. The series delves into themes of love, ambition, and the impact of celebrity culture on personal lives, making Ai a relatable and multifaceted character.